Home / 3,745.30-5,167.56-2,172.46

Finding the Fourth Proportional to 3,745.30, 5,167.56 and 2,172.46

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Solution

The fourth proportional to 3,745.30, 5,167.56 and 2,172.46 is: 2,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.30 : 5,167.56 = 2,172.46 : x
  2. Step 2: Convert to fraction form
    3,745.30/5,167.56 = 2,172.46/x
  3. Step 3: Cross multiply
    3,745.30x = 5,167.56 × 2,172.46
  4. Step 4: Simplify right side
    3,745.30x = 11,226,317.40
  5. Step 5: Solve for x
    x = 11,226,317.40/3,745.30
  6. Step 6: Final answer
    x = 2,997.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.